Head strap



FIG. 1 is a perspective view of a head strap showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of the head strap where the head strap isin a configuration of use.

The broken lines in the FIGS. 1-8 depict portions of the head strap thatform no part of the claimed design. The other broken lines in the FIG. 9represent environment subject matter only and form no part of theclaimed design.

CLAIM The ornamental design for a head strap, as shown and described.